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Finding the Fourth Proportional to 261,179.45, 360,479.33 and 169,412.46

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Solution

The fourth proportional to 261,179.45, 360,479.33 and 169,412.46 is: 233,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,179.45 : 360,479.33 = 169,412.46 : x
  2. Step 2: Convert to fraction form
    261,179.45/360,479.33 = 169,412.46/x
  3. Step 3: Cross multiply
    261,179.45x = 360,479.33 × 169,412.46
  4. Step 4: Simplify right side
    261,179.45x = 61,069,690,497.98
  5. Step 5: Solve for x
    x = 61,069,690,497.98/261,179.45
  6. Step 6: Final answer
    x = 233,822.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.